Quantitative Aptitude: Percentages, Simple Interest, and Compound Interest

Mastering core arithmetic concepts is the most critical step to scoring high on competitive management exams and quantitative aptitude tests. This text-based course guides you step-by-step through the fundamental principles of percentages, interest, and financial calculations. You will transition from memorizing formulas to deeply understanding the underlying mathematical relationships, allowing you to solve complex word problems quickly and accurately. What you'll learn: Understand foundational percentage concepts, fraction-to-percentage conversions, and rapid calculation techniques. Apply percentage increases, decreases, and successive changes to real-world scenarios and exam problems. Calculate simple interest and compound interest using structured, step-by-step mathematical frameworks. Solve complex installment and debt-reduction problems systematically without relying on confusing shortcuts. Develop modern estimation and approximation strategies to eliminate incorrect options quickly during timed assessments. The course starts with essential terminology and the core mechanics of percentages before progressing to interest formulas, compounding periods, and practical installment calculations. Through structured written explanations and practice exercises, you will build both speed and accuracy. Designed for beginners preparing for business school entrance exams or competitive quantitative tests, with no advanced mathematical background required. Start building your quantitative problem-solving skills today.